RK

Ronald B. Kowalczyk

CC Continental White Cap: 1 patents #19 of 50Top 40%
UA US Army: 1 patents #2,720 of 6,974Top 40%
📍 Chicago, IL: #5,168 of 13,327 inventorsTop 40%
🗺 Illinois: #34,584 of 84,256 inventorsTop 45%
Overall (All Time): #2,293,693 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5303635 Apparatus and method for entrapping and discarding spent artillery shells 1994-04-19
4533059 Vacuum-tamper indicating button for smaller diameter caps and the like William J. Kapolas, Peter A. Vercillo, Daniel Dowling, George S. Beatovic, Oscar N. Clifton +6 more 1985-08-06